//
//  ViewController.m
//  ZZTest
//
//  Created by 张峥 on 16/7/22.
//  Copyright © 2016年 张峥. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor redColor];
    self.view.backgroundColor = [UIColor whiteColor];
    self.view.backgroundColor = [UIColor redColor];

}

@end
